oxalidaceous

例句：

1. 1. The soil is rich in organic matter and contains trace amounts of oxalidaceous compounds.
   土壤富含有机物质，含有微量的草酸化合物。
2. 2.The plant's leaves are covered with a waxy coating that helps protect them from the elements.
   这种植物的叶子覆盖着一层蜡质涂层，有助于保护它们免受外界影响。
3. 3. The oxalidaceous substance was found to be toxic when consumed by humans.
   这种含草酸物质被发现对人类食用时是有毒的。